National smoking rates haven't budged. But a better job in some states gives anti-smoking advocates hope that progress can still be made. Joe Raedle/Getty Images North America hide caption

itoggle caption Joe Raedle/Getty Images North America

Finasteride, the active ingredient in brand-name drugs Proscar, for enlarged prostates, and Propecia, for baldness, has been shown to lower the risk of prostate cancer. But doctors haven't jumped to prescribe it. Stephen Chernin/Getty Images hide caption

itoggle caption Stephen Chernin/Getty Images